package com.tjh.common.validator;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * • @Description: 注解校验器
 * • @author  : tjh
 * • @Date 2022-10-1 17:13
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {
    private Set<Integer> set = new HashSet<>();

    /**
     * 初始化方法
     *
     * @param constraintAnnotation
     */
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();

        for (int val : vals) {
            set.add(val);
        }
    }

    /**
     * 判断是否效验成功
     *
     * @param value   需要效验的值
     * @param context
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        //判断是否有包含的值
        boolean contains = set.contains(value);

        return contains;
    }
}
